Reinstalling Eclipse and Eclipse C/C++ Development Tooling also did not change the error.
$ sudo apt-get install --reinstall eclipse eclipse-cdt g++ Reading package lists... Done Building dependency tree Reading state information... Done 0 to upgrade, 0 to newly install, 3 reinstalled, 0 to remove and 1 not to upgrade. Need to get 37.5 MB of archives. After this operation, 0 B of additional disk space will be used. Get:1 http://gb.archive.ubuntu.com/ubuntu bionic/universe amd64 eclipse all 3.8.1-11 [16.1 kB] Get:2 http://gb.archive.ubuntu.com/ubuntu bionic/universe amd64 eclipse-cdt all 8.6.0-2 [37.5 MB] Get:3 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 g++ amd64 4:7.3.0-3ubuntu2 [1,576 B] Fetched 37.5 MB in 6s (5,987 kB/s) (Reading database ... 344165 files and directories currently installed.) Preparing to unpack .../eclipse_3.8.1-11_all.deb ... Unpacking eclipse (3.8.1-11) over (3.8.1-11) ... Preparing to unpack .../eclipse-cdt_8.6.0-2_all.deb ... Unpacking eclipse-cdt (8.6.0-2) over (8.6.0-2) ... Preparing to unpack .../g++_4%3a7.3.0-3ubuntu2_amd64.deb ... Unpacking g++ (4:7.3.0-3ubuntu2) over (4:7.3.0-3ubuntu2) ... Processing triggers for man-db (2.8.3-2) ... Setting up g++ (4:7.3.0-3ubuntu2) ... Setting up eclipse (3.8.1-11) ... Setting up eclipse-cdt (8.6.0-2) ... I shall try removing Eclipse using apt and installing from the website instread. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1784358 Title: Eclipse not starting with org.eclipse.equinox.launcher.Main.main java.lang.ClassNotFoundException being issued after updgrade to 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/eclipse/+bug/1784358/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
